Can I run 3 of my answers past you clever people as I'm not sure of them
1d Legitimate target in passable match (4,4) -a-r -a-- (fair game?)
14a Cold-cure? (6) ---t-r (heater?)
4d Didn't cry over having no rent (8) -e-r-e-s (tearless?)
Only 3 to finish now.
18a This sign means nothing to workers (4) ---n (neon?) anag of none
19d Girlis crazy about uderground leader (4) --u- ( E would be 1st letter if neon is right
21d Revolutionary register? (4) r-l-